0 B28R5.374136764 [C@@H]12CC[C@]3(O)C[C@]1(CC3=C)[C@@H](C(=O)O)[C@@H]4[C@@]5(C)C=CC[C@@]24OC5=O HY-N9418 [1,0,0,0,1,0|0,0,2]=4